Portable water heater



FIG. 1 is a perspective view of the portable water heater showing mydesign.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right elevation view thereof.

FIG. 5 is a left elevation view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the view depict environmental subject matteronly and form no part of the claimed design.

CLAIM The ornamental design for a portable water heater, as shown anddescribed.